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The ATSB is investigating the flight control systems event, involving Boeing 737-800, VH-YIJ, near Wellington, New Zealand, on 25 May 2017.

During approach, the crew detected a flap disagreement when the flap lever was selected from flap 25 to flap 40, and subsequently conducted a missed approach. During the missed approach, a flap overspeed occurred. The information was not relayed successfully to the cabin crew, resulting in the cabin crew incorrectly preparing a non-normal landing. Engineers could not reproduce the fault, however replaced the left-hand trailing edge flap position transmitter as a precaution.

As part of the investigation, the ATSB will interview the operating crew, obtain an engineering report and gather additional information.

A final safety report will be released following the conclusion of the ATSB’s investigation. Should a safety issue be identified during the course of the investigation, the ATSB will immediately notify those affected and seek safety action to address the issue.

General details
Date: 25 May 2017 Investigation status: Active 
Time: 2:10 UTC Investigation phase: Examination and analysis 
Location   (show map):near Wellington International Airport Investigation type: Occurrence Investigation 
State: International Occurrence type: Flight control systems 
 Occurrence class: Operational 
Report status: Pending Occurrence category: Incident 
Anticipated completion: 4th Quarter 2018 Highest injury level: None 
Aircraft details
Aircraft manufacturer: The Boeing Company 
Aircraft model: 737-8FE 
Aircraft registration: VH-YIJ 
Serial number: 39924 
Operator: Virgin Australia International Airlines 
Type of operation: Air Transport High Capacity 
Sector: Jet 
Damage to aircraft: Nil 
Departure point:Brisbane, Qld
Destination:Wellington, NZ
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Last update 01 November 2018